Home / 1,908,827.51-2,634,025.28-1,123,768.80

Finding the Fourth Proportional to 1,908,827.51, 2,634,025.28 and 1,123,768.80

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Solution

The fourth proportional to 1,908,827.51, 2,634,025.28 and 1,123,768.80 is: 1,550,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,827.51 : 2,634,025.28 = 1,123,768.80 : x
  2. Step 2: Convert to fraction form
    1,908,827.51/2,634,025.28 = 1,123,768.80/x
  3. Step 3: Cross multiply
    1,908,827.51x = 2,634,025.28 × 1,123,768.80
  4. Step 4: Simplify right side
    1,908,827.51x = 2,960,035,422,456.42
  5. Step 5: Solve for x
    x = 2,960,035,422,456.42/1,908,827.51
  6. Step 6: Final answer
    x = 1,550,708.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.